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Finding the Third Proportional to 68,830 and 92,876

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Solution

The third proportional to 68,830 and 92,876 is: 125,322.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,830 : 92,876 = 92,876 : x
  2. Step 2: Convert to fraction form
    68,830/92,876 = 92,876/x
  3. Step 3: Cross multiply
    68,830x = 92,876 × 92,876
  4. Step 4: Simplify right side
    68,830x = 8,625,951,376
  5. Step 5: Solve for x
    x = 8,625,951,376/68,830
  6. Step 6: Final answer
    x = 125,322.55

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.